Honda CRF1100A 2021 Owner's Manual page 275

Do not use a steam cleaner, a high pressure
cleaner, a wire brush, volatile solvent such as
petrol and benzene, abrasive cleaner, chain
cleaner or lubricant NOT designed specifically
for O-ring chains as these can damage the
rubber O-ring seals.
Avoid getting lubricant on the brakes or tyres.
Avoid applying excess chain lubricant to prevent
spray onto your clothes and the vehicle.
Maintenance Fundamentals
Recommended Coolant
KO, III KO type
Pro Honda HP Coolant is a pre-mixed solution of
antifreeze and distilled water.
Concentration:
50% antifreeze and 50% distilled water
A concentration of antifreeze below 40% will not
provide proper corrosion and cold temperature
protection.
A concentration of up to 60% will provide better
protection in colder climates.
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